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Decompile osVirtualToPhysical

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This commit is contained in:
Ryan Myers
2021-09-21 22:42:37 -04:00
parent bd531a799a
commit b1cab6d430
9 changed files with 32 additions and 47 deletions
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Makefile
+1
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@@ -271,6 +271,7 @@ $(BUILD_DIR)/lib/src/unknown_0C9C90.o: OPT_FLAGS := -O2 -Wo,-loopunroll,0
$(BUILD_DIR)/lib/src/osEepromWrite.o: OPT_FLAGS := -O1
$(BUILD_DIR)/lib/src/osEepromRead.o: OPT_FLAGS := -O1
$(BUILD_DIR)/lib/src/osSetTimer.o: OPT_FLAGS := -O1
$(BUILD_DIR)/lib/src/osVirtualToPhysical.o: OPT_FLAGS := -O1
$(BUILD_DIR)/lib/%.o: MIPSISET := -mips2
$(BUILD_DIR)/lib/src/mips1/%.o: MIPSISET := -mips1
include/PR/os_internal.h
+2 -2
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@@ -12,9 +12,9 @@
/* Functions */
/*u32 __osProbeTLB(void *);
u32 __osProbeTLB(void *);
u32 __osDisableInt(void);
void __osRestoreInt(u32);*/
void __osRestoreInt(u32);
OSThread *__osGetCurrFaultedThread(void);
#endif
lib/asm/non_matchings/unknown_0C98F0/osVirtualToPhysical.s
-38
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@@ -1,38 +0,0 @@
glabel osVirtualToPhysical
/* 0C98F0 800C8CF0 27BDFFE8 */ addiu $sp, $sp, -0x18
/* 0C98F4 800C8CF4 AFA40018 */ sw $a0, 0x18($sp)
/* 0C98F8 800C8CF8 8FAE0018 */ lw $t6, 0x18($sp)
/* 0C98FC 800C8CFC 3C018000 */ lui $at, 0x8000
/* 0C9900 800C8D00 AFBF0014 */ sw $ra, 0x14($sp)
/* 0C9904 800C8D04 01C1082B */ sltu $at, $t6, $at
/* 0C9908 800C8D08 14200007 */ bnez $at, .L800C8D28
/* 0C990C 800C8D0C 3C01A000 */ lui $at, 0xa000
/* 0C9910 800C8D10 01C1082B */ sltu $at, $t6, $at
/* 0C9914 800C8D14 10200004 */ beqz $at, .L800C8D28
/* 0C9918 800C8D18 3C011FFF */ lui $at, (0x1FFFFFFF >> 16) # lui $at, 0x1fff
/* 0C991C 800C8D1C 3421FFFF */ ori $at, (0x1FFFFFFF & 0xFFFF) # ori $at, $at, 0xffff
/* 0C9920 800C8D20 1000000E */ b .L800C8D5C
/* 0C9924 800C8D24 01C11024 */ and $v0, $t6, $at
.L800C8D28:
/* 0C9928 800C8D28 8FAF0018 */ lw $t7, 0x18($sp)
/* 0C992C 800C8D2C 3C01A000 */ lui $at, 0xa000
/* 0C9930 800C8D30 01E1082B */ sltu $at, $t7, $at
/* 0C9934 800C8D34 14200007 */ bnez $at, .L800C8D54
/* 0C9938 800C8D38 3C01C000 */ lui $at, 0xc000
/* 0C993C 800C8D3C 01E1082B */ sltu $at, $t7, $at
/* 0C9940 800C8D40 10200004 */ beqz $at, .L800C8D54
/* 0C9944 800C8D44 3C011FFF */ lui $at, (0x1FFFFFFF >> 16) # lui $at, 0x1fff
/* 0C9948 800C8D48 3421FFFF */ ori $at, (0x1FFFFFFF & 0xFFFF) # ori $at, $at, 0xffff
/* 0C994C 800C8D4C 10000003 */ b .L800C8D5C
/* 0C9950 800C8D50 01E11024 */ and $v0, $t7, $at
.L800C8D54:
/* 0C9954 800C8D54 0C034D6C */ jal __osProbeTLB
/* 0C9958 800C8D58 8FA40018 */ lw $a0, 0x18($sp)
.L800C8D5C:
/* 0C995C 800C8D5C 8FBF0014 */ lw $ra, 0x14($sp)
/* 0C9960 800C8D60 27BD0018 */ addiu $sp, $sp, 0x18
/* 0C9964 800C8D64 03E00008 */ jr $ra
/* 0C9968 800C8D68 00000000 */ nop
/* 0C996C 800C8D6C 00000000 */ nop
lib/src/mips1/al/reverb.c
+1
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@@ -5,6 +5,7 @@
#include "macros.h"
#include "libultra_internal.h"
#include "audio_internal.h"
#include "../../osVirtualToPhysical.h"
/************ .data ************/
lib/src/osVirtualToPhysical.c
+18
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@@ -0,0 +1,18 @@
/* The comment below is needed for this file to be picked up by generate_ld */
/* RAM_POS: 0x800C8CF0 */
#include "types.h"
#include "macros.h"
#include "PR/R4300.h"
u32 osVirtualToPhysical(void *addr) {
if (IS_KSEG0(addr)) {
return K0_TO_PHYS(addr);
}
else if (IS_KSEG1(addr)) {
return K1_TO_PHYS(addr);
}
else {
return __osProbeTLB(addr);
}
}
lib/src/osVirtualToPhysical.h
+8
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@@ -0,0 +1,8 @@
#ifndef _OSVIRTUALTOPHYSICAL_H_
#define _OSVIRTUALTOPHYSICAL_H_
#include "types.h"
u32 osVirtualToPhysical(void *addr);
#endif
lib/src/unknown_0C98F0.c
-7
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@@ -1,7 +0,0 @@
/* The comment below is needed for this file to be picked up by generate_ld */
/* RAM_POS: 0x800C8CF0 */
#include "types.h"
#include "macros.h"
GLOBAL_ASM("lib/asm/non_matchings/unknown_0C98F0/osVirtualToPhysical.s")
lib/src/unknown_0D29F0.c
+1
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@@ -4,6 +4,7 @@
#include "types.h"
#include "macros.h"
#include "libultra_internal.h"
#include "osVirtualToPhysical.h"
typedef struct
{
lib/src/unknown_0D3160.c
+1
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@@ -5,6 +5,7 @@
#include "macros.h"
#include "libultra_internal.h"
#include "PR/rcp.h"
#include "osVirtualToPhysical.h"
GLOBAL_ASM("lib/asm/non_matchings/unknown_0D3160/__osDisableInt.s")
GLOBAL_ASM("lib/asm/non_matchings/unknown_0D3160/__osRestoreInt.s")